Chemco 300'x30"x2" 22 Gram/T-22YX Fiberglass Paint Arrestor Spray Booth Exhaust Filter Media Roll, 1 RollMinimum quantity per order: 2 rolls Maximum quantity per order: 6 rolls The 22 Gram T 22YX fiberglass exhaust filter features 50% more surface area than standard paint arrestors for paint booth operations that require added efficiency and longevity. T 22YX has an efficiency rating of 99. 03%. The progressively dense heavy duty two stage 22g media is 50% heavier than the 15g counterpart thus providing additional service life and removal efficiency. As